Features: 1. Tiny and easy to carry. 2. Provide emergency power supply for your portable digital players. 3. Support iPOD, PSP, PDA, MP4,MP3, Digital Camera, Mobile phones(additional connectors required). 4. Supply power for MP3 players over 50 hours continuously. 5. Perfect for frequent travelers and businessmen. 6. Stylish and fashionable outlook. Specifications: 1. Capacity: 2350mA 2. DC input: 5.0V 650mA; DC output: 4.0~5.5V 1.2A 3. AC Adaptor: 110V~ 220V 4. Output Interface: USB or 3.5x 1.3DC 5. Cycle life: ~1000 times 6. DC/DC Efficiency: ~85% 7. Power LED Indicator: Green(Charging)/ Red (Fully Charged) 8. Charging Time: ~ 3.5 Hours 9. Self discharging current: <0.05 mA 10. Accessories: Charger, DC Connectors